/ Dictionary / Index B biochemistry: Meaning and Definition of Find definitions for: bi•o•chem•is•try Pronunciation: (bī"ō-kem'u-strē), [key] — n. the science dealing with the chemistry of living matter. the chemistry of living matter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biochemistry (Thesaurus) biochemical oxygen demand biochip Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language